260969408

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:135

約数の個数: 224

約数和(自身を含む): 686653440

約数和(自身を除く): 425684032

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 23, 28, 31, 32, 38, 43, 46, 56, 62, 64, 76, 86, 92, 112, 124, 133, 152, 161, 172, 184, 217, 224, 248, 266, 301, 304, 322, 344, 368, 434, 437, 448, 496, 532, 589, 602, 608, 644, 688, 713, 736, 817, 868, 874, 989, 992, 1064, 1178, 1204, 1216, 1288, 1333, 1376, 1426, 1472, 1634, 1736, 1748, 1978, 1984, 2128, 2356, 2408, 2576, 2666, 2752, 2852, 3059, 3268, 3472, 3496, 3956, 4123, 4256, 4712, 4816, 4991, 5152, 5332, 5704, 5719, 6118, 6536, 6923, 6944, 6992, 7912, 8246, 8512, 9331, 9424, 9632, 9982, 10304, 10664, 11408, 11438, 12236, 13072, 13547, 13846, 13888, 13984, 15824, 16492, 18662, 18791, 18848, 19264, 19964, 21328, 22816, 22876, 24472, 25327, 26144, 27094, 27692, 27968, 30659, 31648, 32984, 37324, 37582, 37696, 39928, 42656, 45632, 45752, 48944, 50654, 52288, 54188, 55384, 61318, 63296, 65968, 74648, 75164, 79856, 85312, 91504, 94829, 97888, 101308, 108376, 110768, 122636, 131537, 131936, 149296, 150328, 159712, 177289, 183008, 189658, 195776, 202616, 214613, 216752, 221536, 245272, 263074, 263872, 298592, 300656, 319424, 354578, 366016, 379316, 405232, 429226, 433504, 443072, 490544, 526148, 582521, 597184, 601312, 709156, 758632, 810464, 858452, 867008, 981088, 1052296, 1165042, 1202624, 1418312, 1517264, 1620928, 1716904, 1962176, 2104592, 2330084, 2836624, 3034528, 3433808, 4077647, 4209184, 4660168, 5673248, 6069056, 6867616, 8155294, 8418368, 9320336, 11346496, 13735232, 16310588, 18640672, 32621176, 37281344, 65242352, 130484704, 260969408]

約数ペア:

[(1, 260969408), (2, 130484704), (4, 65242352), (7, 37281344), (8, 32621176), (14, 18640672), (16, 16310588), (19, 13735232), (23, 11346496), (28, 9320336), (31, 8418368), (32, 8155294), (38, 6867616), (43, 6069056), (46, 5673248), (56, 4660168), (62, 4209184), (64, 4077647), (76, 3433808), (86, 3034528), (92, 2836624), (112, 2330084), (124, 2104592), (133, 1962176), (152, 1716904), (161, 1620928), (172, 1517264), (184, 1418312), (217, 1202624), (224, 1165042), (248, 1052296), (266, 981088), (301, 867008), (304, 858452), (322, 810464), (344, 758632), (368, 709156), (434, 601312), (437, 597184), (448, 582521), (496, 526148), (532, 490544), (589, 443072), (602, 433504), (608, 429226), (644, 405232), (688, 379316), (713, 366016), (736, 354578), (817, 319424), (868, 300656), (874, 298592), (989, 263872), (992, 263074), (1064, 245272), (1178, 221536), (1204, 216752), (1216, 214613), (1288, 202616), (1333, 195776), (1376, 189658), (1426, 183008), (1472, 177289), (1634, 159712), (1736, 150328), (1748, 149296), (1978, 131936), (1984, 131537), (2128, 122636), (2356, 110768), (2408, 108376), (2576, 101308), (2666, 97888), (2752, 94829), (2852, 91504), (3059, 85312), (3268, 79856), (3472, 75164), (3496, 74648), (3956, 65968), (4123, 63296), (4256, 61318), (4712, 55384), (4816, 54188), (4991, 52288), (5152, 50654), (5332, 48944), (5704, 45752), (5719, 45632), (6118, 42656), (6536, 39928), (6923, 37696), (6944, 37582), (6992, 37324), (7912, 32984), (8246, 31648), (8512, 30659), (9331, 27968), (9424, 27692), (9632, 27094), (9982, 26144), (10304, 25327), (10664, 24472), (11408, 22876), (11438, 22816), (12236, 21328), (13072, 19964), (13547, 19264), (13846, 18848), (13888, 18791), (13984, 18662), (15824, 16492)]